CAT Practice Question and Answer
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Answer :
Explanation :
12 N in a C means 12 Numbers in a Clock.
Q: The purpose of choke in tube light is 1726 05b5cc6a6e4d2b4197774cd28
5b5cc6a6e4d2b4197774cd28- 1Induce high voltagetrue
- 2Induce low resistancefalse
- 3Induce high resistancefalse
- 4Induce low voltagefalse
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Answer : 1. "Induce high voltage"
Explanation :
Answer: A) Induce high voltage Explanation: When the switch is ON, in a tube light choke is nothing but the coil/ballast ( inductor) which is used to induce the high voltage across it. as we know that inductor has property to induce high voltage for the brief period of time, this high voltage is required to ionize the gases in the starter. Then gas inside the starter gets ionized due to this full voltage and heats the bimetallic strip that is caused to be bent to connect to the fixed contact. Current starts flowing through the starter. Although the ionization potential of the neon is the little bit more than that of the argon but still due to small electrode gap high voltage gradient is appeared in the neon bulb and hence glow discharge is started first in a starter. As voltage gets reduced due to the current causes a voltage drop across the inductor, the strip cools and breaks away from the fixed contact. At that moment a large L di/dt voltage surge comes across the inductor at the time of breaking. This high valued surge comes across the tube light electrodes and strikes penning mixture (mixture argon gas and mercury vapor). Gas discharge process continues and current gets the path to flow through the tube light gas only due to low resistance as compared to the resistance of starter.
Q: I am the first on Earth, the second in Heaven. I appear two times in a week you can only see me once in a year. Although I am in the middle of the sea, l am not found in month, but l am in February, June, September, October, November & December. Who am I? 1708 05b5cc6a6e4d2b4197774cd27
5b5cc6a6e4d2b4197774cd27- Show AnswerHide Answer
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Answer :
Explanation :
The letter 'E'. As of the above given data, It is in the 1st place in Earth, 2nd in Heaven and in the middle of the Sea. It appears once in a Year and twice in a Week. It is present in February, June, September, October, November & December. But not in the Month. Hence, it is the letter 'E'.
Q: How many Lok Sabha seats belong to Rajasthan? 2065 05b5cc6a6e4d2b4197774cd22
5b5cc6a6e4d2b4197774cd22- 125true
- 217false
- 348false
- 42false
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Answer : 1. "25"
Explanation :
Answer: A) 25 Explanation: The maximum size of the Lok Sabha as outlined in the Constitution of India is 552 members made up of up to 530 members representing people of the states of India and up to 20 members representing people from the Union Territories on the basis of their population and 2 Anglo-Indians are nominated by President. The number of Parliamentary Seats for the States : Andhra Pradesh & Rajasthan - Each 25 Maharashtra - 48 Telangana - 17 Arunachal Pradesh, Bihar, Manipur, Meghalaya, Tripura - Each 02 Uttar Pradesh has the highest with - 80
Q: Which of the following is a false statement? 1177 05b5cc6a6e4d2b4197774cd1d
5b5cc6a6e4d2b4197774cd1d- 1As bond order increases the strength of the bond increasesfalse
- 2Bond order is proportional to the bond lengthtrue
- 3Molecules with negative bond order are highly unstablefalse
- 4Bond order is inversely proportional to the bond lengthfalse
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Answer : 2. "Bond order is proportional to the bond length"
Explanation :
Answer: B) Bond order is proportional to the bond length Explanation: Bond order is proportional to the bond length is a False statement since Bond order is inversely proportional to the bond length.
Q: Please enter the Missing number: 4 8 14 22 ? 1796 05b5cc6a5e4d2b4197774cd0e
5b5cc6a5e4d2b4197774cd0e- 128false
- 232true
- 346false
- 436false
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Answer : 2. "32"
Explanation :
Answer: B) 32 Explanation: Here the given series follows a pattern that, 22 - 0 = 4 32 - 1 = 8 42 - 2 = 14 52 - 3 = 22 62 - 4 = 32 Hence, the missing number is 32 Method 2 :: The difference between 4 and 8 is 4, the difference between 8 and 14 is 6, the difference between 14 and 22 is 8. So the next difference between 22 and the next number will be 10 since it follows (4,6,8,10 - add +2 each time) Hence, 22 + 10 = 32 is the missing number.
Q: The outermost layer of the sun is called 2036 05b5cc6a5e4d2b4197774cd04
5b5cc6a5e4d2b4197774cd04- 1Coronatrue
- 2Chromospherefalse
- 3Radiative Zonefalse
- 4Transition Regionfalse
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Answer : 1. "Corona"
Explanation :
Answer: A) Corona Explanation: The outermost layer of the sun is called The Corona. The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona. IRIS will focus its investigation on the Chromosphere and Transition Region.
Q: Which of the following is the best conductor of electricity? 8807 05b5cc6a5e4d2b4197774cd09
5b5cc6a5e4d2b4197774cd09- 1Aluminiumfalse
- 2Goldfalse
- 3Silvertrue
- 4Copperfalse
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Answer : 3. "Silver"
Explanation :
Answer: C) Silver Explanation: silver is the best conductor of electricity. When compared to remaining 3 metals, as Silver having more number of free electrons in its valency shell it is the good conductor of electricity. Conductors Thermal Conductivity @ 25degree C Silver --- 429Copper --- 401Gold --- 310Aluminium --- 250

